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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö > Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö ÄÄÇ»ÅÍ ¹× Åë½Å½Ã½ºÅÛ

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Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) SGX¸¦ È°¿ëÇÑ ¾ÏȣȭµÈ µ¥ÀÌÅÍ Áߺ¹Á¦°ÅÀÇ È¿À²¼º °³¼±
¿µ¹®Á¦¸ñ(English Title) Improving Efficiency of Encrypted Data Deduplication with SGX
ÀúÀÚ(Author) Dongyoung Koo   ±¸µ¿¿µ  
¿ø¹®¼ö·Ïó(Citation) VOL 11 NO. 08 PP. 0259 ~ 0268 (2022. 08)
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(Korean Abstract)
µ¥ÀÌÅÍ ¾çÀÇ Æø¹ßÀû Áõ°¡¿¡ µû¸¥ °ü¸® È¿À²¼º Á¦°í¸¦ À§ÇÑ Å¬¶ó¿ìµå ¼­ºñ½º È°¿ëÀÌ ÀÏ»óÀ¸·Î ÀÚ¸®Àâ°í ÀÖ´Â ÇöÀç, µ¥ÀÌÅÍ ÇÁ¶óÀ̹ö½Ã º¸Á¸À» À§ÇÑ ´Ù¾çÇÑ ¾Ïȣȭ ±â¹ýÀÌ Àû¿ëµÇ°í ÀÖ´Ù. Ŭ¶ó¿ìµå ½Ã½ºÅÛÀÇ ¹æ´ëÇÑ ÄÄÇ»Æà ÀÚ¿ø¿¡µµ ºÒ±¸ÇÏ°í ´Ù¼ö »ç¿ëÀڷκÎÅÍ ¾Æ¿ô¼Ò½ÌµÈ µ¥ÀÌÅÍÀÇ Áߺ¹À¸·Î ÀÎÇÑ ÀúÀå È¿À²¼ºÀÇ ÀúÇÏ´Â ¼­ºñ½º È¿À²À» ÇöÀúÈ÷ °¨¼Ò½ÃÅ°´Â ¿äÀÎÀ¸·Î ÀÛ¿ëÇϸ鼭, ÇÁ¶óÀ̹ö½Ã°¡ º¸ÀåµÈ ¾ÏÈ£¹®¿¡ ´ëÇÑ µ¥ÀÌÅÍ Áߺ¹Á¦°Å¿¡¼­ÀÇ È¿À²¼º Çâ»óÀ» À§ÇÑ ´Ù¾çÇÑ ¿¬±¸°¡ ÁøÇàµÇ°í ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ÃֽŠUSENIX ATC¿¡ ¹ßÇ¥µÈ Ren et al.ÀÇ ½Å·Ú½ÇÇàȯ°æÀ» È°¿ëÇÑ ¾ÏÈ£¹®¿¡ ´ëÇÑ Áߺ¹Á¦°ÅÀÇ È¿À²¼º °³¼±À» À§ÇÑ ¿¬±¸°á°ú¸¦ ºÐ¼®ÇÏ°í ¼­ºñ½º¿¡ Âü¿©ÇÏ´Â Å° °ü¸® ¼­¹ö¸¦ »ç¿ëÀÚ¿¡ ÅëÇÕÇÔÀ¸·Î½á Á¦3ÀÇ µ¶¸³ÀûÀÎ Å° °ü¸® ¼­¹öÀÇ Çʿ伺À» Á¦°ÅÇϸ鼭µµ Å° °ü¸®ÀÇ ¾ÈÁ¤¼º °³¼± ¹æ¹ýÀ» Á¦½ÃÇÑ´Ù. ½ÇÇèÀ» ÅëÇÏ¿© Á¦¾È ±â¹ý¿¡¼­ ¾à 30%ÀÇ Åë½Å È¿À² °³¼± È¿°ú¸¦ ¾òÀ» ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù.
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(English Abstract)
With prosperous usage of cloud services to improve management efficiency due to the explosive increase in data volume, various cryptographic techniques are being applied in order to preserve data privacy. In spite of the vast computing resources of cloud systems, decrease in storage efficiency caused by redundancy of data outsourced from multiple users acts as a factor that significantly reduces service efficiency. Among several approaches on privacy-preserving data deduplication over encrypted data, in this paper, the research results for improving efficiency of encrypted data deduplication using trusted execution environment (TEE) published in the recent USENIX ATC are analysed in terms of security and efficiency of the participating entities. We present a way to improve the stability of a key-managing server by integrating it with individual clients, resulting in secure deduplication without independent key servers. The experimental results show that the communication efficiency of the proposed approach can be improved by about 30% with the effect of a distributed key server while providing robust security guarantees as the same level of the previous research.
Å°¿öµå(Keyword) Trusted Execution Environment   Privacy   Encryption   Deduplication   Efficiency   ½Å·Ú½ÇÇàȯ°æ   ÇÁ¶óÀ̹ö½Ã   ¾Ïȣȭ   Áߺ¹Á¦°Å   È¿À²¼º  
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